JPS5279793A - Crystal vibrator - Google Patents

Crystal vibrator

Info

Publication number
JPS5279793A
JPS5279793A JP15758975A JP15758975A JPS5279793A JP S5279793 A JPS5279793 A JP S5279793A JP 15758975 A JP15758975 A JP 15758975A JP 15758975 A JP15758975 A JP 15758975A JP S5279793 A JPS5279793 A JP S5279793A
Authority
JP
Japan
Prior art keywords
crystal vibrator
thinckness
normal direction
temperature characteristics
obtained easily
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP15758975A
Other languages
Japanese (ja)
Inventor
Hideo Hoshi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP15758975A priority Critical patent/JPS5279793A/en
Publication of JPS5279793A publication Critical patent/JPS5279793A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

PURPOSE:The thinckness of the vibrating face in the normal direction is made uneven to obtain flat frequency-temperature characteristics, so that a high-precision watch can be obtained easily.
JP15758975A 1975-12-26 1975-12-26 Crystal vibrator Pending JPS5279793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15758975A JPS5279793A (en) 1975-12-26 1975-12-26 Crystal vibrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15758975A JPS5279793A (en) 1975-12-26 1975-12-26 Crystal vibrator

Publications (1)

Publication Number Publication Date
JPS5279793A true JPS5279793A (en) 1977-07-05

Family

ID=15652998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15758975A Pending JPS5279793A (en) 1975-12-26 1975-12-26 Crystal vibrator

Country Status (1)

Country Link
JP (1) JPS5279793A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5349857A (en) * 1988-08-12 1994-09-27 Murata Manufacturing Co., Ltd. Vibratory gyroscope
US5874674A (en) * 1988-08-12 1999-02-23 Murata Manufacturing Co., Ltd. Vibrator including piezoelectric electrodes or detectors arranged to be non-parallel and non-perpendicular to coriolis force direction and vibratory gyroscope using the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5349857A (en) * 1988-08-12 1994-09-27 Murata Manufacturing Co., Ltd. Vibratory gyroscope
US5505085A (en) * 1988-08-12 1996-04-09 Murata Manufacturing Co., Ltd. Vibrator and vibratory gyroscope using the same
US5874674A (en) * 1988-08-12 1999-02-23 Murata Manufacturing Co., Ltd. Vibrator including piezoelectric electrodes or detectors arranged to be non-parallel and non-perpendicular to coriolis force direction and vibratory gyroscope using the same

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